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यदि किसी चश्मे का पॉवर + 2 डायोप्टर हो तो इसके फोकस की दुरी होगी?

Asked Sep 10, 2023 Modified Sep 10, 2023 Viewed 0 times

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Physics

asked Sep 10, 2023 at 12:27

A

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50 सेमी.

answered Sep 10, 2023 at 12:27

A

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